Also the evidence Is adequate to demonstrate that in the commercial concentrations in gasoline, tetraethyl lead is not absorbed out of the gasoline through the skin.

His case rests upon the assertion that this gasoline, and the fumes from it, contained lead, derived from the tetraethyl load mixed with the gasolinej that ho inhaled fumes containing lead and absorbed load from the liquid gasoline in excessive quantities.

Unfortunately, the concentration of lead in the blood is not a sound indicator of the extent of the absorption of tetraethyl lead, and therefore one must rely upon the analysis of the urine in relation to exposure to, and absorption cf, tetraethyl lead.

And yet the garage mechanic rarely reaches the level of dangerous lead absorption and almost never has lead poisoning.

It would be still more useful If you ould have your doctor writ to me, describing your eoodtticm and lotting me knee hat he has done for your treatment, 1 shall b glad to give him any advice or assistance which 1 can as based on our osporionco with this type of ailment, I can assure, hem ever, that the type of contact with leaded gasoline which yens describe in your letter, could not have resulted in lead absorption or in the production of lead poisoning.

One L of gasoline contains 0.4 - 0.6 cc tetraethyl lead=425-340 mg of "pure'' Pb, 0.6 being the maximum permissible concentration in both Swiss and German gasolines.

ABSTRACTS FROM CURRENT LITERATURE 537 Praxis of an Industrial Laboratory for Prevention of Tetraethyl Lead Poisoning.

One L of gasoline contains 0.4 - 0.6 cc tetraethyl lead=425-640 mg of "pure1' Pb, 0.6 being the maximum permissible concentration in both Swiss and German gasolines.

If it should turn out to be analogous to lead tetraethyl, which I tend to doubt, the scope of the toxi cologies investigation could be curtailed greatly.

If it should turn out to be analogous to lead tetraethyl, which I tend to doubt, the scope of the toxi cologie investigation could be curtailed greatly.

Tetraethyl lead poisoning has occurred in Colorado only in connection with an abortive and misguided attempt on the part of novices to manufacture tetraethyl lead in a small improvised plant.

Tourangeau appreciated KE 0003373 - 2- Quebec Department of Health rfeetlng - December 18, 1959 the company gesture of keeping them in the picture of any future plans of customers adding larger amounts of tetraethyl lead to motor fuel.

Kehoe: Attached is correspondence received from our Southern Region regarding the maximum allowable limit of the use of tetraethyl lead in gasoline.

Kzpjfnai leo nr r WBUcinon Joseph A, Costello, Vice President Ethyl Corporation Za 19& the tetraethyl lead industry consumed 1,202 tons of lead Hotel.

Ethyl Gasoline is prepared in such a way as to 0 ontain not sore than 1 part of tetraethyl " lead Xn 1260 parts, of gas!